From patchwork Tue Oct 21 10:55:27 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dheeraj Jamwal X-Patchwork-Id: 5120291 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EB3359F349 for ; Tue, 21 Oct 2014 11:54:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 165CA20122 for ; Tue, 21 Oct 2014 11:54:32 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1B0E020121 for ; Tue, 21 Oct 2014 11:54:31 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 90920126D; Tue, 21 Oct 2014 11:11:06 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id D09C91191 for ; Tue, 21 Oct 2014 11:11:04 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 57F6A1FAA9 for ; Tue, 21 Oct 2014 11:11:04 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 21 Oct 2014 04:10:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,761,1406617200"; d="scan'208";a="617799009" Received: from ubuntu-desktop.png.intel.com ([10.221.122.25]) by fmsmga002.fm.intel.com with ESMTP; 21 Oct 2014 04:10:58 -0700 From: Dheeraj Jamwal To: ltsi-dev@lists.linuxfoundation.org Date: Tue, 21 Oct 2014 18:55:27 +0800 Message-Id: <1413889294-31328-728-git-send-email-dheerajx.s.jamwal@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413889294-31328-1-git-send-email-dheerajx.s.jamwal@intel.com> References: <1413889294-31328-1-git-send-email-dheerajx.s.jamwal@intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org Subject: [LTSI-dev] [PATCH 0727/1094] drm/i915: make runtime PM interrupt enable/disable platform independent X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Imre Deak We need to disable the interrupts for all platforms, so make the helpers for this platform independent and call them from them platform independent runtime suspend/resume callbacks. On HSW/BDW this will move interrupt disabling/re-enabling at the beginning/end of runtime suspend/resume respectively, but I don't see any reason why this would cause a problem there. In any case this seems to be the correct thing to do even on those platforms. Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter (cherry picked from commit b5478bcd5f04c3eef934f506a98c8849bb410cd9) Signed-off-by: Dheeraj Jamwal --- drivers/gpu/drm/i915/i915_drv.c | 14 +++++--------- drivers/gpu/drm/i915/intel_display.c | 2 -- 2 files changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0798642..54fcf17 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -916,13 +916,6 @@ static int i915_pm_poweroff(struct device *dev) return i915_drm_freeze(drm_dev); } -static void snb_runtime_suspend(struct drm_i915_private *dev_priv) -{ - struct drm_device *dev = dev_priv->dev; - - intel_runtime_pm_disable_interrupts(dev); -} - static void hsw_runtime_suspend(struct drm_i915_private *dev_priv) { hsw_enable_pc8(dev_priv); @@ -932,7 +925,6 @@ static void snb_runtime_resume(struct drm_i915_private *dev_priv) { struct drm_device *dev = dev_priv->dev; - intel_runtime_pm_restore_interrupts(dev); intel_init_pch_refclk(dev); i915_gem_init_swizzling(dev); mutex_lock(&dev_priv->rps.hw_lock); @@ -959,8 +951,10 @@ static int intel_runtime_suspend(struct device *device) DRM_DEBUG_KMS("Suspending device\n"); + intel_runtime_pm_disable_interrupts(dev); + if (IS_GEN6(dev)) - snb_runtime_suspend(dev_priv); + ; else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) hsw_runtime_suspend(dev_priv); else @@ -1004,6 +998,8 @@ static int intel_runtime_resume(struct device *device) else WARN_ON(1); + intel_runtime_pm_restore_interrupts(dev); + DRM_DEBUG_KMS("Device resumed\n"); return 0; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 014c9b3..cf6c6c3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7034,7 +7034,6 @@ void hsw_enable_pc8(struct drm_i915_private *dev_priv) } lpt_disable_clkout_dp(dev); - intel_runtime_pm_disable_interrupts(dev); hsw_disable_lcpll(dev_priv, true, true); } @@ -7046,7 +7045,6 @@ void hsw_disable_pc8(struct drm_i915_private *dev_priv) DRM_DEBUG_KMS("Disabling package C8+\n"); hsw_restore_lcpll(dev_priv); - intel_runtime_pm_restore_interrupts(dev); lpt_init_pch_refclk(dev); if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) {